Cylinder head



J. JOHNSON CYLINDER HEAD July 2, 1929.

Filed Dec. 25, 1926 2 Sheets-Sheet 1 July 2, l929- J. JOHNSON 1.719.116

CYLINDER HEAD Filed nec. 2s. 192s 2 sheets-sheet 2 SWW/nto@ port 15 as herein disclosed constituting an intake port and the port 16 constituting an exhaust port.

The valve member M is provided at diametrically opposed points in its periphery with the grooves 17 the base wall a of which being preferably disposed from end to end on an inbow of requisite radius. Each of these grooves or channels 17 is of a length to provide a bypass which, as the member M is rotated, will place the port 15 in communication with the port 4 and in proper sequence place the port 4 in communication with the port 16.` y

In practice, all of the members M are adapted to rotate in unison and in the same direction and, as herein disclosed, this is accomplished'by having the opposed shaft sections coupled one to the other, as indicated at 18, in any desired manner, the opposed faces of the sections X and Y being provided with registering recesses or cavities 19 to permit such coupling of adjacent shaft sections before the section Y is applied to the section X.

Each of the combustion chambers 3 at diametrically opposed points is provided with the openings 20 to permit the requisite placement ofthe spark plugs 21 and the section X above such yopenings 20, and in close proximity thereto, and below the ports 16 is proy vided with a jacket 22 in which is adapted to be circulated in any desired manner water or other` cooling medium. The arrangement ofA this jacket 22 is such to assure effective and desirable cooling of the. applied spark plugs 21.

Arranged within the lower portion of each of the pockets or depressions 5 is a packing ring 23 having its inner marginal portion formed, as at b, for close contact with the periphery of a valve member M and such contact is maintained through the instrumentality of the spring members 24 arranged within the pocket or-depression 5 below or inwardly ofthe ring 23.and operating to qconstantly urge the ring 23 toward and in contact with the periphery of the member M. Each of these spring members 24, as vparticularly illustrated in Figure 2, is of triangular form as occasioned by the converging walls of the chamber 3 and the lower portion of the pocket or depression 5.

The upper portion of the pocket or depression 5, or that part immediately above the parti-spherical portion 8, is of increased diameter, as indicated at 25, and in which is received a second or upper packing ring 26 the inner marginal portion of which being formed in close contact with the periphery of the valve member M. Itis to be noted that the maximum internal diameter of the ring 26 is less than the diameter of the member M so that said packing ring 26 is held from passing upwardly or outwardly beyond the member M. The under or inner surface of this ring 26 is provided therearound with a groove or channel 27 in which extends a resilient member 26, such as an undulatcd ring or washer, which serves to constantly urge the ring 26 outwardly and in requisite close contact with the periphery oit the member M. In order to compensate for the extended portions of the shaft section 7 the ring 26 at dametrically opposed points is provided with suitable depressions although this will not be necessary if the enlarged portion 25 is of requisite depth to position the ring 26 entirely below the shaft section 7. It is to be noted, however, that in any event the enlarged portion 25 is of such depth to provide requisite clearance to assure the desired contact ot the ring 26 with the member M.

This enlarged portion 25 is substantially closed by the arcuate plates 2f) which are effectively maintained in applied or working position by the upper section Y of the head H. It is also to be understood that the ring 26 and the plates 29 are applied in working position before the section Y is assembled with respect to the section X.

It is thought to be obvious that by having the jacket 22 arranged as hcreinbeforc rcferred to means may be conveniently applied for etljective lubrication ot the various antifriction members or ball bearings.

One of the shaft sections 7 extends beyond the head H and such extended portion, as illustrated in Figure 1, carries a gear 30 adapted to be suitably connected with the crank shaft or other movable part of the motor to effect the desired timed rotation ot the members M.

From the foregoing description it is thought to be obvious that a cylinder head constructed in accordance with my invention is particularly well adapted for use by reason of the convenience and .facility with which it may be assembled and operated, and it will also be obvious that my invention is susceptible of some change and modification without departing from the principles and spirit thereof and for this reason l do not wish to be understood as limiting myself to the precise arrangement and formation of the several parts herein shown in carrying out my invention in practice except as hereinafter claimed.

1. A cylinder head comprising two overlying sections, means for connecting said .srctions together, one of said sections in its under portion being provided with a eonoidal explosion chamber for register with a cylinder bore when the head is applied, the upper portion of the wall of said chamber being open, the upper portion of said lower section being provided with a pocket into which the upper portion of the wall of the chamber extends, the upper portion of the wall of the Ll (l pocket being parti-spherical, o spherical volvo member coasting with the porti-spheriezl-l portion oit the woll o't the pocket, the free ed ge oitI the portion ot the wllll oi the eXploeion rllzln'lber extelfldingl within the pocket instituting u, Sent ttor said vlllve lnelllher, Seid lower eeetion bein gg provided with intake :1nd outlet porte :tor eollllnnnielltion with the enploi-Iilln ellllnlber 'through the open end o'l' the ellzllnber within the pocket, the `second helld section haring; e. porti-spherical portion in wlliell ie received zi portion oit the Valve member, ineens ifor rotating the Valve lllenlber, seid. valve member' having ineens lfor llllleinijll the intello :1nd outlet porte in proper sequence in communiezltion with tile o:-;plo sion ellllnlber, zlpneking rinp; arranged with ing the lower portion ot the pocket tor close eontzlet vlronl below with the :lpplied volvo nlenlber, zlnd sp1-in gmembere arranged. within the pocket und eontlleting with the side woll ot the poeltet, the portiol'l oit the Vwill ot the exploeion ehlllllber extending within Ythe poelret ond 'with tlle ptleliin ringv for urgin the peeking' ringinto eontllet with the Valve n'lonlber.

2. il, eylilnler llefld eolllprieing two overlyin si ftions, meollo lor oonlleetng Suid eeetieneI together, one ol' sllid seetione in :its nnder portion being; provided with :l ronoidlll efqllosion ehzlnlbrr tor reggilslier with il, cylinder bore when the heed in applied, the upper portion ot the wllll olf Seid ehlnuber being opoln the upper portion olf seid lower Seetioi l being` provided wi tll n, poelot into which 'the upper portion o'l' the will oit the olnlnlber entends, ille upper portion et the well ot the poekot beillg` porti-spllerielll, fl, spherical voire member Counting: witll the portiepherir: `l portion o't the wzlll of the pooliet, the 'tree edge oit the portion oit the woll olf the eXploeion elnlnlber extending within the pocket eonetitn'tingl .flv sent iior Said wilve n'lember, elid lower section being.;` provided with inlelie und olltlet ports tor eonlnnmielltion with tll'e explosion ellllmliler tlilrollgll the open end oilf the olliln'lber within the por-kot, the eeeon d hefeld selftioll hernie' :l pzlrtifeph orient portion in wllirll received :l portion ot the rzllve n'len'lber, menne iter rotating' the Volvo nlenlber, Seid vulve member lill/ving;` menno tor pllleinp; the `intake ond outlet porte in proper eeqnenee in comlnuniezrtion with the explosion elllln'lher. :l plleltingl ring;` arranged within 'the lower portion of the poelot for close rontzlet from below with the applied volvo nlenlller, nn d spring;l nflembors arranged within the porket :ind Contini-tinp with the eide wllil ot the poeliet, the portion ot the well ol. the exploeion Chamber extending within the poeltet :ind with the peeking ring); 'lior nrging the pneliinf; rino into eontilet with the rnlve member. ezleh et seid Spring lnen'lllere being tri :ln ,gnlflr in form. I

3. AV cylinder hezld comprising two overlying sections, means :tor connecting seid Seen tiene together, one o't Seid sertions in ite under portion bein provided with il eonoidnl explosion ohlmlber :tor register with :l` eyb inder bore when the llelld applied, the upper portion olf the well ot Seid elllln'lber being open, the upper portion oit seid .lower section beine; provided with ll pocket into which the upper portion of the willi ot the elllln'lber extends, the upper portion oit the 'woll oit `the poeliet being parti-spllerielll, a` spherical Valve n'lember eozlietingwith the parti-spherielli portion ot the wllll of the pocket, the lilee edge of 'the portion ott the willi of the explosion ehzlnlllor extending within the pocket eonetitlltingI 21` eezlft :for szlid valve mel'l'lber, Seid lower section being; provided with intake and outlet porte :tor eo1nnlnniezltion with the explosion chamber through the open end oit the ollllnlber within the poelret the second llelrd Section llllviilftl` :l porti-oplleriolll portion in which is received ll portion ot the valve member, ineens ttor rotzltinp; the vulve member, seid Valve member having ineens for placing the intllke sind outlet ports in proper sequence in eolnn'lnni- Cotion with the explosion ellzllnber, the upper portion oit the poeket 'in the lower section in'llnodizltoliY llbove the porti-epllerielll por-- tion. thereof: beine; oit increased dillllletel, l peeking ring; :lrrzlllgred within solid portion, noid ringbeing;J oit :t dion'leter `to bring` the ,inner lllzlrgillel portion thereof in close eontoet with the periphery olf the Valve member, the internal diameter ol. the ring.;` being; less tlnln the diameter o'lE the rfllve n'lelllber, and Spring n'lenns rontlletillg with the bottom itsloo ot the plplzlekillp; rino' ttor constantly lil-ring the Seme into ronblet with the volvo nleinber.

4t. A Cylinder heed Comprising two overlyingl sections, moons Ator ronneeting` sflfi d eeetione together, one ot sllfi d Sections in ite under i portion. being provided with e, oonoidzll ex plooien ellllnlber lier register with n, cylinder bore when the head ie llipilllied, the npper portion oit the wllll oit Seid ehfnnber being;i open, the upper portion ot seid lower section being' prl'lvii'led with :l poelet into whiell the upper portion ot the willi. oit the chamber extends, the opper portion ol.B the well ol`: the pocket being pilrti-Sllherieflil, .fl Sphericlll valine men'lbor Counting with the portiepherielil portion ol. the woll o'ii the pooket, the 'tree edge ol the portion olf the woll ot the explosion chamber extending; within the pocket constitutingn, eellt for seid vlllve menlher, said lower section being' llrovided with intlllie and outlet porte` :tor eoll'lmnnieotion with the explosion elleniber thronpjh the open end ol the Chamber within Athe poelet, the eeeond heed Section having; :l parti-Spherical portion in which is received e, portion o'l `the valve menlber, means ttor rotating; the vfllve ineml'ler, seid Valve member having; ineens for placing the intake' and outlet ports in proper sequence member, spring means contacting with the bottom face of the packing ring for oonstantly urging the Same into Contact with the Valve member, and arcuate plates arranged outwardly of the packing ring for substantiall)7 enclosing the enlarged portion of the pocket, the applied second section holdingY said plates in position.

In testimony whereof I hereunto nix my l0 signature.

JOSEPH JOHNSON. 

